(a) Difference between Monoecious and Dioecious plants:
| Monoecious plants | Dioecious plants |
|---|---|
| Male and female flowers grow on the same plant. | Male and female flowers grow on different plants. |
(b) Difference between Perfect and Imperfect flowers:
| Perfect flowers | Imperfect flowers |
|---|---|
| A flower which contains all the four whorls. | A flower in which one or more whorls is missing. |
(c) Difference between Unisexual and Bisexual flowers:
| Unisexual flowers | Bisexual flowers |
|---|---|
| A flower which has either stamen or carpel is called unisexual flower. | A flower which has stamen as well as carpel is called Bisexual flower. |
(d) Difference between Essential and Non-essential whorls of a flower:
| Essential whorls | Non-essential whorls |
|---|---|
| Essential whorls of the flower are androecium and gynoecium. | Non-essential whorls of the flower are calyx and corolla. |
| Essential whorls are directly concerned with reproduction. | Non-essential whorls either protect the reproductive parts of the flower or make the flower attractive for pollination. |
(e) Difference between Polyandrous and Polyadelphous stamens:
| Polyandrous stamens | Polyadelphous stamens |
|---|---|
| The filaments of the stamens are free. | The filaments of the stamens are united in the multiple groups. |